Seagate 1TB BarraCuda SATA III 3.5″ Internal HDD

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Seagate 1TB BarraCuda SATA III 3.5″ Internal HDD
The BarraCuda SATA III 3.5″ Internal HDD from Seagate features 1TB storage capacity and comes equipped with 64MB of cache memory and a SATA III interface. The interface is backward compatible with SATA II 3 Gb/s and SATA 1.5 Gb/s equipment. The drive supports a maximum internal data transfer rate of 2147 MB/s and an average rate of 156 MB/s.

7200 RPM spindle speed
Full-track multiple-sector transfer capability without local processor intervention
Hotplug operation per Serial ATA Revision 3.2
High instantaneous (burst) data transfer rates of up to 600 MB/s
Native Command Queuing with command ordering to increase performance in demanding applications
Seagate AcuTrac servo technology for dependable performance, even with hard drive track widths of only 75 nm
Seagate OptiCache technology boosts overall performance by as much as 45% over the previous generation
Seagate SmartAlign technology provides for migration to Advanced Format 4K sectors
SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns
On-the-fly error-correction algorithms
Support for S.M.A.R.T. drive monitoring and reporting
Supports latching SATA cables and connectors
TGMR recording technology provides the drives with increased areal density
Worldwide Name (WWN) capability uniquely identifies the drive
RoHS compliant

Formatted Capacity

1 TB

Guaranteed Sectors







SATA 6 Gb/s

Recording Method


Bytes per Sector


Default Sectors Per Track


Default Read/Write Heads


Default Cylinders


Recording Density

1807 kFCI maximum

Track Density

Average: 352 ktracks/in

Areal Density

Average: 625 Gb/in2

Spindle Speed

7200 RPM

Internal Data Transfer Rate

2147 Mb/s maximum

Average Data Rate (Read/Write)

156 MB/s

Maximum Sustained Data Rate, OD Read

210 MB/s

I/O Data-Transfer Rate

600 MB/s maximum

Cache Buffer

64 MB

Average Latency

4.16 ms

Power-On or Standby to Ready

10 sec maximum

Startup Current, Typical (12 V)

2 A

Voltage Tolerance (Including Noise)

5 V: ±5%
12 V: +10% / -7.5%

Non-Recoverable Read Errors

1 per 1014 bits read

Annualized Failure Rate (AFR)

<1.0% based on 2400 POH

Contact Start-Stop Cycles

At 77°F (25°C) and 50% Relative Humidity:

Seek Time

Read: 1 ms
Write: 1.2 ms

Read: 8.5 ms
Write: 9.5 ms

Average Latency:
4.16 ms



Non-Operating Ambient Temperature: -40 to 158°F (-40 to 70°C)
Operating Ambient Temperature: 32°F (0°C) minimum
Operating Temperature (Drive Case): 140°F (60°C)

Temperature Gradient

Operating: 68°F (20°C) maximum per hour
Non-Operating: 86°F (30°C) maximum per hour

Relative Humidity

Operating: 5 to 95%
Non-Operating: 5 to 95%

Relative Humidity Gradient

30% maximum per hour

Wet Bulb Temperature, Operating/Non-Operating

78.8°F (28°C) maximum / 84.2°F (29°C) maximum

Operating Altitude

Operating: -1000 to 10,000′ (-304.8 to 3048 m)
Non-Operating: -1000 to 40,000′ (-304.8 to 12,192 m)


Operational: 80 Gs at 2 maximum
Non-Operational: 350 Gs at 2ms maximum


2 to 22 Hz: 0.25 Gs, limited displacement
22 to 350 Hz: 0.50 Gs
350 to 500 Hz: 0.25 Gs

5 to 22 Hz: 3.0 Gs
22 to 350 Hz: 3.0 Gs
350 to 500 Hz: 3.0 Gs

Drive Acoustics (Sound Power)

Typical: 2.2 bels
Maximum: 2.3 bels

Typical: 2.3 bels
Maximum: 2.4 bels



0.8 x 4.0 x 5.8″ (2.0 x 10.2 x 14.7 cm)


0.88 lb (0.4 kg)


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